One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(13,14)(15,25)(16,30)(17,22)(18,23)(19,24)(20,27)(21,31)(26,34)(28,36)(29,35)(32,38)(33,37)(39,40)(41,43)(42,44) involution — undirected(1,2,3,4)(5,6)(7,10)(8,9)(11,12)(13,15,18,28,19,29,17,27)(14,20,22,35,24,36,23,25)(16,26,31,40,33,42,32,41)(21,34,30,43,38,44,37,39)(6,9)(7,11)(13,16,18,31,19,33,17,32)(14,21,22,30,24,38,23,37)(15,26,28,40,29,42,27,41)(20,34,35,43,36,44,25,39)(5,7,8,11)(6,10,9,12)(6,9)(10,12)(13,17,19,18)(14,22,24,23)(15,27,29,28)(16,31,33,32)(20,35,36,25)(21,37,38,30)(26,40,42,41)(34,39,44,43)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.